Ty The Tasmanian Tiger (GC)

Elemental Rangs
Press L, R, L, R, Y, Y, Y, B, Y, B. This will allow you to get all of the rangs from the series of techno rangs. Now here's the cool part! After you beat the first boss, you will have all of the elemental rangs including the Firerang, the Frostyrang, and the Zappyrang! That one's my favorite!


Finding items
Look behind waterfalls. There is usually an item hidden there.


Restore Health
If you're low on health, dive into the water and resurface--you'll emerge with full health.


Movies
At the main menu, press L, R, L, R, Y, Y, A, A, Z, B, Z, B.


Unlimited Health
During the main menu, press L, R, L, R, Y, Y, Y, Y, X, X.


Techno-Bang
Press L, R, L, R, Y, Y, Y, B, Y, B during the game to get some technorangs.


Get Swimming And More
During the game, enter L, R, L, R, Y, Y, B, B, Y, B.


Force All Hidden Objects
During the game, press L, R, L, R, Y, Y, X, B, B, X, Z, Z. This shows all items with a nasty glow.


Easy kills
If you have the Multirang and have to fight a group of Frills, run around in circles while throwing all of your boomerangs at once.


Infrarang
Collect thirty golden cogs to unlock the Infrarang.


Multirang
Collect twenty golden cogs to unlock the Multirang.


Zoomerang
Collect ten golden cogs to unlock the Zoomerang.


Ending bonus
Successfully complete the game with all cogs, eggs, and opals collected for a 100% completion to unlock a bonus level and an extra FMV sequence after the ending credits.